Shards names are similar to 3 first letters of Greek Alphabet: Alpha, Beta, Gamma.

The Hydra has risen! It's heads just grow back so you can't defeat it, but maybe you can recapture it! some runestones have appeared around the lake. You will need 9 Hydra Fangs to shatter the runes, and toss the remains into the bonfire we have set up to destroy them forever! I hope this works....